Bras is a rules-based command execution sy … Bras is a rules-based command execution system, a la 'make'. It helps to keep targets (usually, but not neccessarily, files) , up-to-date with respect to a set of dependencies. For every target, a (freely definable) rule describes what it means for the target to be out-of-date and what has to be done to refresh it. Bras can follow targets into other directories. It acts there according to the local brasfile to update the target and then reports the result back. Because no recursive execution of bras is necessary, the result of the reasoning for that other directory is not lost. Bras is implemented in Tcl. Rules can be mixed with procedural parts. In particular control structures can be used to automatically collect lists of targets, find out platform specifics or selectively activate rules. 'Bras' normally runs from the command line, but its rule eveluation functionality is available as a TCL module and can be used in a GUI application implemented in Tcl/tk.n a GUI application implemented in Tcl/tk.

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